Senses

Question 1

what are the windows of the brain?

Answer 1

sensory organs

Question 2

sensation

Answer 2

a stimulus that triggers a nerve impulse that goes to your brain

Question 3

perception

Answer 3

how your brain interprets the sensation

Question 4

2 types of senses

Answer 4

general

special

Question 5

general sensation

Answer 5

widely distributed
somatic
visceral
touch, pressure, pain, temp, vibration, itch, proprioception

Question 6

somatic

Answer 6

body

Question 7

visceral

Answer 7

organs

Question 8

special

Answer 8

5 senses

Question 9

sensory receptors

Answer 9

sensory nerve endings that respond to stimuli
extero
intero

Question 10

extero

Answer 10

outside the body

touch, smell, hearing

Question 11

intero

Answer 11

inside the body

bp, heartrate, etc

Question 12

5 categories of receptors

Answer 12

chemoreceptors
Nociceptors
photoreceptors
mechanoreceptors
thermoreceptors

Question 13

chemoreceptors

Answer 13

smell and taste

Question 14

Nociceptors

Answer 14

respond to pain

Question 15

photoreceptors

Answer 15

respond to light

vision

Question 16

mechanoreceptors

Answer 16

respond to mechanical stimuli

Question 17

thermoreceptors

Answer 17

temp

54-117

Question 18

pain

Answer 18

local
diffused
gate control theory (helps stop pain)
referred pain

Question 19

3 layers of eye

Answer 19

sclera
choroid
retina

Question 20

sclera

Answer 20

white part of eye

Question 21

choroid

Answer 21

under sclera
2nd layer
vascular layer
iris
black
absorbs light

Question 22

retina

Answer 22

photoreceptors (cones and rods)

Question 23

rods

Answer 23

detect low light

black and white

Question 24

cones

Answer 24

detect color

Question 25

fovea centrallis

Answer 25

area of best vision

densely packed with rods and cones

Question 26

ciliary muscle

Answer 26

controls focus

accommodation

Question 27

blind spot

Answer 27

no photoreceptors

the point at which the optic nerve leaves the eye

Question 28

optic chiasma

Answer 28

brings everything together

connects optic nerves

Question 29

color blind

Answer 29

does not have all cones

5%-8% of males have

Question 30

distance related

Answer 30

myopia (nearsighted)

hyperopia (farsighted)

Question 31

2 functions of ears

Answer 31

hearing

balance

Question 32

3 ossicles

Answer 32

bones
middle
malleus, incus, stapes

Question 33

outer ear

Answer 33

auricle
ceruminous gland
tympanic membrane (air)

Question 34

middle ear

Answer 34

amplifies sound 20 times
eustachian tube (relives pressure)
ossicles
oval window

Question 35

inner ear

Answer 35

bony labyrinth
the cochlea, semicircular canals, vestibules (vesicle and saccule)
balance

Question 36

hearing

Answer 36

sound waves are funneled through the auricle down the external auditory canal, causing the tympanic membrane to vibrate

Question 37

balance

Answer 37

static equilibrium evaluates the position of the head relative to gravity

Question 38

vertigo

Answer 38

sense of spinning dizziness

Question 39

otoliths

Answer 39

ear stones in fluid that brush against hairs, send signal to the brain

Question 40

taste

Answer 40

papillae

taste buds

Question 41

papillae

Answer 41

enlargements on the surface of the tongue

Question 42

taste buds

Answer 42

structures on papillae that detect taste sensations

sour, salty, sweet, bitter, savory (umami)

Question 43

olfactory smells

Answer 43

400
sensory adaptation
each bind to multiple odorants
over 10,000 diff smells
only sense not relayed through the thalamus

Question 44

sensory adaptation

Answer 44

body stops sending impulse from the stimulus, gets used to the taste, smell, sight, noise